When searched on the internet, you can see that GoPro won’t turn on is one of the commonest issue that users encounter. It won’t turn on, external power bank doesn’t work, it won’t charge, no red light, and it gets hot are the symptoms. If you’re encounter the same problems, you need to try the steps below to fix it before sending back it to the shop where you have bought it. It might save you some time.
Step 1. try to reset it. Please press and hold the Power/Mode button on the front of the camera for 10 seconds. Generally speaking, it will turn on your GoPro if the battery has a charge.
Step 2. Charge the battery. After step 1, if the GoPro won’t turn on still, you should try to charge the battery. If you’re using a computer, then use the GoPro USB cable to connect the camera with your computer. When connected, you should see a red LEG light up on the front of your camera within a few minutes. If there is still not red LED light on the front of the camera, press and hold the Power/Mode button for 10 seconds while it connected to your computer. If the camera still doesn't power ON, please try these same steps using a different USB cable and USB port or charger.
You can also try to charge the battery with a wall charger. It will shorten the charging time. When connected with wall charger via USB cable, it only takes 5-10 seconds for the red LED to illuminate.
The red LED light appears means that your camera is charging the battery. It takes up to 4 hours to reach a full charge with computer, and it takes only 2 hours when connected to a wall charger that outputs 5V and 1A.
You can also check out the details here and ask for help If the problem of GoPro won’t turn on has caused any video or photo lost from GoPro, you can try GoPro data recovery to recover them. This data recovery software is able to scan GoPro SD card for all deleted or lost files. It supports all kinds of SD cards you might use for your GoPro camera. It is compatible with all videos and pictures you shot with GoPro. It has separate version for Mac and Windows PC from where you can perform the data recovery. Here are the steps for how to use the data recovery software to recover deleted or lost GoPro files
Use a USB cable to connect GoPro with your computer, either Windows PC or Mac. When connected successfully, it should appear on your computer as an external hard drive. Please choose the Windows data recovery or Mac data recovery version according to your computer operating system. Download and install it on your computer.
Launch the software and uncheck the unwanted file types. By default, all supported file types are checked and selected. You just need to keep the file types for GoPro you want to recover and click "Start".
In the next step, choose the GoPro SD card to scan. It is listed in the window with other hard drive listed. Select it and click "Scan".
It only takes a few minutes for the software to scan your GoPro for the deleted or lost files, including videos and pictures. When it finished, you can filter out the files, preview and click "Recover" to save them on your computer. Please don’t save the recovered deleted GoPro files to GoPro or GoPro SD card again. They may get lost again.